20861853

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2221}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 29010432

約数和(自身を除く): 8148579

約数列:

[1, 3, 31, 93, 101, 303, 2221, 3131, 6663, 9393, 68851, 206553, 224321, 672963, 6953951, 20861853]

約数ペア:

[(1, 20861853), (3, 6953951), (31, 672963), (93, 224321), (101, 206553), (303, 68851), (2221, 9393), (3131, 6663)]